The Service Component

A Service element represents the combination of one or
more Connector components that share a single
Engine component for processing incoming
requests. One or more Service elements may be nested
inside a Server element.

Java class name of the implementation to use. This class must
implement the org.apache.catalina.Service interface.
If no class name is specified, the standard implementation will
be used.

name

The display name of this Service, which will
be included in log messages if you utilize standard Catalina
components. The name of each Service that is
associated with a particular Server
must be unique.